Home / 971,366.01-1,340,493.81-535,800.06

Finding the Fourth Proportional to 971,366.01, 1,340,493.81 and 535,800.06

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Solution

The fourth proportional to 971,366.01, 1,340,493.81 and 535,800.06 is: 739,408.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,366.01 : 1,340,493.81 = 535,800.06 : x
  2. Step 2: Convert to fraction form
    971,366.01/1,340,493.81 = 535,800.06/x
  3. Step 3: Cross multiply
    971,366.01x = 1,340,493.81 × 535,800.06
  4. Step 4: Simplify right side
    971,366.01x = 718,236,663,827.63
  5. Step 5: Solve for x
    x = 718,236,663,827.63/971,366.01
  6. Step 6: Final answer
    x = 739,408.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.